Light duty microemulsion liquid detergent composition

Details Light duty microemulsion liquid detergent composition Light duty microemulsion liquid detergent composition

C - Chemistry, Metallurgy

11

D

134/3

C11D 1/65 (2006.01) C11D 17/00 (2006.01) C11D 1/14 (2006.01) C11D 1/29 (2006.01) C11D 1/62 (2006.01)

Patent

CA 2009155

ABSTRACT OF THE DISCLOSURE: A light duty microemulsion liquid detergent composition, use- ful for removing greasy soils from surfaces with both neat and dilute forms of the detergent composition, includes a moderately water soluble complex of anionic and cationic surfactants, in which complex the anionic and cationic moieties are in essentially equivalent or equimolar proportions, an anionic detergent, a co- surfactant, an organic solvent and water. Preferably, the complex component is one in which the anionic and cationic moieties include hydrophilic portions or substituents, in addi- tion to the complex forming portions thereof, the anionic detergent is a mixture of higher paraffin sulfonate and higher alkyl polyoxyethylene sulfate, the co-surfactant is a poly- propylene glycol ether, a poly-lower alkylene glycol lower alkyl ether or a poly-lower alkylene glycol lower alkanoyl ester, and the organic solvent is a non-polar oil, such as an isoparaffin, or an oil having polar properties, such as a lower fatty acid ester or a lower fatty alcohol ester. Also within the invention are the described complex, preferably one of equimolar proportions of sodium C12-14 alkyl diethoxy ether sulfate and C12-14 alkyl-bis(2-hydroxyethyl) methylammonium halide, and processes for manufacturing the liquid detergent composition and for removing grease from laundry and hard surfaces by use of such a liquid detergent composition, especially in neat form, in which latter process significantly improved cleaning results, compared to that obtained when using control detergent compositions.

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